© 2026 Sinochem Nanjing Corporation,
All Right Reserved
N-Amyl Propionate isn’t one of those names you hear at a neighborhood gathering, but it’s been lurking backstage in industries for decades. Interest in this compound gathered steam as organic chemists dug into the behavior of esters in the early twentieth century, back when the quest for new flavors, fragrances, and solvents drove a lot of experimentation in chemical labs. Back then, the need for efficient, safe, and pleasant-smelling substitutes for harsher chemicals led people to test esters like N-Amyl Propionate a lot more closely. These efforts echo today in bottles, cans, and even research reports, as the quest for performance and safety never really stops.
Most folks who stumble across N-Amyl Propionate do so outside of the chemistry classroom. It’s clear and colorless with a mild, fruity scent—reminds me of apple or pear, the sort of thing that makes it perfect for fragrances and flavorings. Technically, it’s the ester made from n-amyl alcohol and propionic acid, which gives it the kind of volatility and solvency that’s useful for blending and dissolving agents. People in coatings, personal care, and flavor industries count on it for these properties, appreciating that it pulls its weight without leaving much residue behind.
Every chemical’s worth is partly in the numbers. N-Amyl Propionate’s boiling point floats around the mid-150°C range, its density ducks below water, and it shines when purity matters. These characteristics mean you can use it in paints or food-grade flavors without worrying about strange odors or unsafe byproducts. Chemists have tinkered with purification processes for years, tending toward fractional distillation and selective reactivity to keep impurities at bay. What sets this ester apart is its balance—enough volatility for fast evaporation, but stable enough for delicate work.
Any substance passed around in industry comes with safety tags, and N-Amyl Propionate is no different. Its labeling follows international guidelines, carrying warnings about flammability and recommendations for proper handling. Over the years, I’ve read case after case where folks cut corners, often thinking ‘one small spill won’t matter.’ Burning eyes and headaches later, they reach for the eyewash. Having proper ventilation and gloves isn’t just red tape—these are habits that save you hassle and health. For every push to substitute stronger solvents, researchers pointed to N-Amyl Propionate as a chance to cut some of the toxicity from the process. It won’t solve every safety puzzle, but it moves things in the direction of safer shop floors and labs.
The recipe isn’t more complicated than a lot of kitchen experiments: take propionic acid and n-amyl alcohol, combine them in the presence of an acid catalyst, and out comes N-Amyl Propionate along with water as a byproduct. This is called esterification—the type of process learned early in any organic chemistry class. Troubleshooters in the plant will tell you there’s plenty of art to getting conversions high and purities higher, whether that means controlling temperature or pulling water away as soon as possible. Better yields mean less waste and lower costs, the kind of improvements that keep the bean counters happy and the plant safer for everyone.
N-Amyl Propionate doesn’t just sit on its hands. In labs, it joins the dance in transesterification reactions or steps in as an intermediate where further modification matters. That flexibility gives it a presence in specialty esters, lubricant additives, and chemical syntheses. Seeing a simple ester swap roles in creative ways always reminds me how chemistry, like life, likes to recycle and remix what it knows.
The chemistry crowd gets used to synonyms—N-amyl propanoate shows up in plenty of papers, and anyone browsing chemical catalogs may also find n-pentyl propionate. Knowing the aliases can save a lot of headaches in research or purchasing, where missing the right identifier can mean wrong shipments or missed opportunities. These twists in naming reflect history as much as chemistry, with systems evolving as scientific language matured.
Looking around modern industry, N-Amyl Propionate pops up in some surprising places. Paint formulations take advantage of its solvency to help resins and dyes flow onto surfaces and dry cleanly. Perfume designers mix it into refreshing blends that don’t overpower, while flavorists slip it into candies and baked goods for that subtle enhance—never dominating, but always missed if taken away. On top of that, it shows up in specialty coatings and inks for packaging. Companies like products that don’t stick out for the wrong reasons, and N-Amyl Propionate solves real problems by offering a gentle, but effective, alternative to more aggressive chemicals that carry baggage like environmental persistence or worker health risks.
Chemists and engineers don’t get bored easily; they’re constantly hunting for ways to make N-Amyl Propionate do more without bringing along health or environmental headaches. Recent research digs into green chemistry approaches, where someone swaps in recyclable catalysts or bio-based feedstocks to shrink the environmental mark left by large-scale production. The goal seems as much about reputation as profit—customers care now more than ever what’s in their paint, perfume, or packaged food. Academic labs keep the compound under their microscope, checking for new roles in polymer chemistry or biotransformations, keeping the line moving between fundamental science and day-to-day products.
Toxicity always matters, no matter how friendly the scent or how useful the chemical. Industry and government labs have run the tests—skin contact can cause irritation, and inhaling lots of vapor over time won’t do your lungs any favors. Compared to harsher solvents with ill-tempered reputations, N-Amyl Propionate feels like a breath of somewhat fresher air, but nobody is handing out blank checks for safety. What keeps workers and consumers safer is old-fashioned vigilance: right containers, solid ventilation, prompt cleanup, and a willingness to press for smarter substitutes whenever possible. Regulation is a moving target, but companies that stay ahead of the curve by keeping exposures down earn trust and reduce risk.
Keeps getting more interesting as regulations, consumer tastes, and business pressures all nudge industries away from harsh chemicals toward milder, more sustainable options. N-Amyl Propionate fits into this space, not as a magic bullet, but as a tool that simplifies some of the trade-offs between safety, function, and ease of handling. My hope is to see researchers stay curious, investors stay patient, and regulatory bodies sharp enough to reward safer innovations without squeezing out the small companies with big ideas. Future breakthroughs rest on that balance between speed and caution, and in an industry where the next best thing might just be a minor tweak or a major leap, there’s plenty left for N-Amyl Propionate to do.
N-Amyl Propionate might sound complex, but at its core, it’s just an ester formed from n-amyl alcohol and propionic acid. It carries a fruity, pleasant scent, which already hints at some of its most common uses. Growing up in a family that ran a bakery, I remember how important the right aroma was. It turns out, N-Amyl Propionate often helps deliver that fresh, sweet smell in both foods and products around the house.
The food and fragrance industries invest quite a bit in ingredients that shape how things smell and taste. N-Amyl Propionate finds its way into foods as a flavoring agent. Its natural apple and pear notes help create believable fruit flavors in candies, baked goods, and drinks. The U.S. Food and Drug Administration confirms its use in foods is safe at approved concentrations. A familiar childhood memory: opening a bag of jellybeans and instantly catching strong fruity notes. That’s not magic; compounds like N-Amyl Propionate do some heavy lifting behind the scenes.
Perfume manufacturers seek out ingredients that enhance the complexity and appeal of scents. N-Amyl Propionate, thanks to its volatile nature and sweet fragrance profile, adds a clean, crisp character to perfumes, soaps, and lotions. Walking down the detergent aisle, it’s hard to escape fragrances that echo green apples or pears—many borrowed straight from this compound. For many, fragrance is more than cosmetic. Scents play a big role in emotional well-being and even influence purchasing choices.
Beyond food and fragrance, N-Amyl Propionate also serves as a solvent in coatings, inks, and adhesives. It dissolves resins and plasticizers efficiently, which matters a lot if you’ve ever painted furniture or worked with craft adhesives. Painters and print shops prefer solvents like N-Amyl Propionate because they dry at a moderate rate, allowing for smooth finishes. Unlike harsher solvents, it leaves less residue behind, supporting cleaner results and easier cleanup.
In some cases, manufacturers turn to this compound for specialty cleaners, especially when dealing with delicate surfaces or electronics. Its solvency power ensures thorough cleaning without causing significant harm to sensitive parts. Handling electronics at home, I’ve come to value chemicals that clean without leaving corrosive traces.
No chemical comes without concerns. N-Amyl Propionate scores low on acute toxicity under normal usage. Even so, it’s best to use it with good ventilation, just as with most chemical cleaners or solvents. Skin contact or ingestion in large amounts can cause irritation or health issues, so following label instructions really matters. Environmental impact matters, too. While this ester breaks down in the environment over time, large-scale chemical use can still add up. Manufacturers and regulatory agencies continue research and monitoring, looking for ways to minimize exposure and waste.
As new research emerges and consumer preferences shift, companies look for eco-friendly and health-conscious alternatives. Safer production methods, biodegradable packaging, and better workplace safety all play a role. Supporting products from responsible brands helps keep things moving in the right direction. It’s worth speaking up about what matters, whether you’re choosing cleaning products, fragrances, or even the jellybeans you snack on.
N-Amyl propionate, known in some labs as pentyl propionate, belongs to the family of propionate esters. This overlooked compound shows up behind the scenes in a range of applications where a clean, mild scent and solvent abilities matter. Its physical and chemical profile shapes how it performs, where it can be used, and just how safe it is to handle.
You pick up a bottle of N-amyl propionate and spot a clear, slightly oily liquid. Its colorless look says a lot — no weird tints or particles, which makes a difference in products designed for consumers, like perfumes or coatings. The scent strikes an unmistakable note: sweet and fruity, but never overpowering. That aroma explains its role in creating fragrances that consumers notice and enjoy.
Pour some out, and you’ll see it spreads thin and quick. At room temperature, N-amyl propionate keeps a moderate volatility, evaporating slower than lighter esters but faster than most oils. It boils at about 186°C and freezes by -80°C, so it stays liquid across a wide range of storage conditions common in warehouses or manufacturing plants.
Its density sits around 0.86 g/cm³, meaning it’s lighter than water. Mix a bit into a glass — no luck. N-amyl propionate fails to dissolve in water, forming a clear layer on top instead. Pour it into acetone or alcohol, though, and it disappears fast. This ability to mix with non-polar solvents shapes how manufacturers select it for specialty coatings and fragrance blends.
N-Amyl propionate belongs to the ester category. You see this firsthand in its reaction under strong bases or acids; it breaks down, releasing pentanol and propionic acid. This process, called hydrolysis, tells chemists how it ages in products exposed to moisture. In dry air, it stands up well — no odd smells or sticky residues, even after months on a shelf.
Fire risks always come up with esters, and N-amyl propionate ignites at a flash point near 63°C. People handling barrels of this solvent in paint plants have learned to keep it away from sparks and open flames. Vapors can cause headaches or dizziness if ventilation runs poor, underlining the need for a solid safety routine during use.
Inside the molecule, the amyl group bonded to a propionate backbone shrugs off most mild acids and bases but won’t survive rough chemical attacks. It rarely reacts with metals and doesn’t form troublesome byproducts, giving users confidence that storage drums will last for years if kept cool and dry.
Demand keeps N-amyl propionate in circulation. You’ll spot it in fast-drying lacquers, synthetic flavors, and as a solvent in ink manufacturing. People making these products find its balance of evaporating power and gentle odor tough to match. The real challenge? Handling it responsibly. Companies need storage that avoids leaks and limits temperature swings, plus air systems to whisk away vapors. Using personal protection like gloves and goggles becomes standard practice for anyone in direct contact.
Rules about chemical safety get stricter every year. Manufacturers and labs watch research on the health and environmental impact of esters like N-amyl propionate. Some innovate with lower-impact alternatives or improve containment during transport and processing. These efforts not only protect workers but also earn trust from end customers who care where their fragrances and coatings come from.
Learning what makes N-amyl propionate tick — from boiling point to how fast it breaks down — leads to smarter, safer decisions in labs and on global production lines.
N-Amyl Propionate shows up in labs and workplaces where solvents or flavor ingredients get mixed. Its fruity scent feels harmless, but nearly every seasoned technician I know recognizes that pleasant smells in a lab usually signal a need for caution, not complacency. The chemical slides into the room as a liquid, clear and colorless, with good solvent properties. Some early experiences with esters like this taught me that getting complacent about handling can end with a messy cleanup or worse.
Exposure risks aren’t always obvious. N-Amyl Propionate evaporates into vapors that can irritate the throat and eyes. In tight spaces, vapors hang around longer, making headaches, dizziness, and mild nausea common if you lose track of your surroundings. It catches fire with modest heat—its flash point sits around 90°C (194°F). In rooms where electrical gear hums or hot plates line the counters, keeping flammables under control ranks high. I’ve seen mishandling of similar solvents trigger alarms or, worse, real emergencies.
Lessons in the lab always start with good ventilation. Working with N-Amyl Propionate near hoods or open windows clears the vapors out fast. I always reach for gloves—nitrile holds up well against this liquid and keeps hands from absorbing anything unexpected. Eye protection stops the occasional splash from turning into an afternoon of nursing red, stinging eyes. Spilling small amounts once meant learning how quickly fumes intensify in closed areas. Now, I keep paper towels and absorbent pads close and double-check that waste jars are sealed tight.
Any time heating or mixing involves solvents, sturdy containers reduce risk. Glass tends to resist reaction, but sturdy plastic bottles work for short-term. Sealing things up prevents leaks. Teams I’ve worked with label bottles clearly. It cuts down on confusion, especially as containers collect or get repurposed throughout the day. Leaving unlabeled solvents on benches led to mistakes nobody wants to repeat.
Training transforms casual handling into safe habits. The best-run shops hold refreshers on chemical safety each quarter. quick run-throughs help teams spot danger and react before something goes wrong. Disposable gloves and goggles cost less than dealing with injuries. Making sure emergency showers, eyewash stations, and spill kits stay close at hand limits panic during accidents.
Storage deserves attention. Cool, dry shelves away from flames or sunlight work best for these solvents. Flammable storage cabinets handle bigger volumes. If workplaces share storage with acids or strong oxidizers, double-check the chemical compatibility chart. Quicker response moments often come down to these behind-the-scenes steps.
OSHA and the CDC both highlight the dangers of skin and inhalation exposure with chemicals like this. Their case studies point to poor storage or careless handling as common starting points for lab accidents. Fire marshals set clear rules for solvent storage because fire risks don’t take a break outside business hours. Industry records show training and PPE programs cut injuries by nearly 60% in large organizations. My time in chemical prep rooms backs this up—teams who stay consistent with safety walk away with fewer incidents, and your workday ends smoother.
Sensible steps boost safety. Know the risks, work with good ventilation, suit up with gloves and goggles, and keep cleanup gear handy. Training, regular checks, and safe storage tip the odds in your favor. Each time a bottle of N-Amyl Propionate comes out of the cabinet, remembering these habits could mean nothing serious ever makes the news.
N-Amyl Propionate often turns up in flavor and fragrance manufacturing. Sometimes it finds a place in paints or coatings. Folks rely on its mild, fruity aroma to punch up the sensory appeal of goods, but like all chemicals, it comes with its own set of storage quirks. Getting a grip on its shelf life and how to store it safely makes a direct difference in product quality and workplace safety.
From what I’ve seen across industrial and lab settings, N-Amyl Propionate tends to last up to two years under the right conditions. Factories that use it regularly often keep records showing minor loss of quality past this point. The compound starts breaking down with time or if it’s neglected. You might find the odor dulling, or small changes in purity crop up. Nobody wants a surprise in their finished batch because a raw material went stale.
Once the bottle’s opened, the clock starts ticking faster. Air exposure encourages oxidation, moisture gets in, and volatility rises. I’ve noticed best results come from folks who draw only what they need per session and recap right away.
To stick within that safe shelf life window, N-Amyl Propionate needs a shaded, cool location—not somewhere with flares of heat or sunlight. Standard practice keeps it between 5°C and 25°C, away from any hot pipes or direct sun. Fluctuations in temperature invite condensation, and water spells trouble: it can mess with chemical stability and trigger spoilage or separation over time. Humidity control means a world of difference here. I always recommend dry shelving in storage rooms with air conditioning or natural airflow.
Glass bottles or tightly sealed HDPE containers get the nod for packaging. The container should stay tightly capped and kept upright. I once watched a colleague leave a drum half-open for barely an hour—by week’s end, the contents picked up a sharp, off-odor. Something as simple as choosing the right sealing cap can save thousands on rejected stock.
Mixing or accidental spillage in a shared storage area creates a mess and a risk to health. The vapor can irritate your nose and throat. It’s smart to store N-Amyl Propionate away from acids, oxidizers, or basic materials. Segregated shelves marked with clear hazard labels go far. I’ve learned that cross-contamination often slips in due to reused equipment or careless handling, not because the chemical is especially reactive.
Employers who take time to train staff in correct handling techniques make fewer costly mistakes. Closed-loop dispensing and dedicated scoops keep the original stock untouched. A spill kit and eye-washing station near the chemical storage isn’t overkill; it’s standard good practice.
Manufacturers and research labs track date of manufacture and batch dates diligently. Rotating stock ensures oldest materials get used first, reducing wastage. Regular checks for cloudiness, discoloration, or odor changes help catch quality drifts before they snowball. Signals like crystallization, or sharpness replacing the signature fruity note, warrant a deeper look or a call to the supplier.
By treating N-Amyl Propionate with the same care given to food ingredients or pharmaceuticals, companies avoid sudden product failures. Simple steps—controlled temperatures, dry storage, limited air exposure, and careful handling—bring peace of mind and keep costs under control. It saves more money and hassle long-term than cutting corners ever could.
A quick call to chemical suppliers or a solid look at their online catalogs turns up a clear picture: N-Amyl Propionate comes in a handful of standard sizes. Small shops or research teams sometimes put their hands on 500 mL bottles or 1-liter glass containers. Researchers appreciate these because they don’t eat up storage space, and the price point makes sense for trial runs or applications where only a splash is needed.
Move up the scale, and you run into 5-liter to 25-liter jerrycans. These plastic containers are thicker than the tiny glass ones, and they work well for mid-sized manufacturing sites—maybe someone blending flavors, or a paint shop looking for that just-right solvent. It’s not so much about saving shelf space anymore. Here, users want to keep material fresh but ready at hand, and moving around a jerrycan beats hoisting an industrial drum.
Talk to folks in bigger factories, and you’ll hear a different story—suddenly, everyone’s talking about 200-liter drums. Some operations even bring in IBC (intermediate bulk container) totes that hold around 1,000 liters. For producers making tens of thousands of units in a month, ordering drums means the material stays consistent, and the process keeps humming along.
Smaller sizes, say under five liters, pose safety headaches in a warehouse. Spills get more likely as container count goes up. Larger drums introduce other headaches, like the need for forklifts and drum pumps, and deterioration if the storage isn’t climate-controlled. Still, scale-economics tip the equation for most buyers. If you’re using N-Amyl Propionate as a solvent in food flavors, perfume, or plastics, those drums drive down costs and cut down on waste.
My experience moving and storing solvents taught me to care about the packaging. Strong containers with good caps prevent fumes in hot months, and the labeling rules keep everyone on the right side of regulations. Each drum or bottle must carry safety info and hazard symbols, which gets checked by local regulators or customs officials. Leaky drums or missing paperwork slow everything down.
Transport is another story. Glass bottles don’t stand up to long trips or rough handling. Shippers won’t bat an eye at a jerrycan or drum, but glass needs coddling and good padding. Insurance gets pricier as you add risk. So which size gets chosen depends not just on how much N-Amyl Propionate is needed, but whether shipping, storage, cost, and safety line up with the operation.
Smaller users, like boutique labs, sometimes get boxed out because few suppliers stock anything under a liter. That leads to buying more than needed, which wastes product and money. It’s a headache to safely dispose of excess solvent, too. Pushing suppliers to offer more flexible packaging—maybe even returnable containers or measured pouches—could help cut down waste and keep the process safer.
Chemists, manufacturers, and safety managers all face choices depending on batch sizes, site policies, and logistics. Picking the right size for N-Amyl Propionate isn’t just a numbers game; it shapes everything from costs to compliance, and the best outfits treat packaging like a core part of business life, not an afterthought.
| Names | |
| Preferred IUPAC name | N-pentyl propanoate |
| Other names |
Pentyl propionate Propionic acid pentyl ester Pentyl propanoate n-Pentyl propionate |
| Pronunciation | /ˌɛn ˈæm.ɪl proʊˈpiː.ə.neɪt/ |
| Identifiers | |
| CAS Number | 624-54-4 |
| Beilstein Reference | 1361265 |
| ChEBI | CHEBI:88716 |
| ChEMBL | CHEMBL141809 |
| ChemSpider | 54864 |
| DrugBank | DB14138 |
| ECHA InfoCard | 6e29e1c0-4d21-40da-9159-686b6fcf6ddb |
| EC Number | 203-287-4 |
| Gmelin Reference | 9586 |
| KEGG | C18673 |
| MeSH | D019322 |
| PubChem CID | 8096 |
| RTECS number | AJ8750000 |
| UNII | N6K8VJ9E5S |
| UN number | UN2342 |
| Properties | |
| Chemical formula | C8H16O2 |
| Molar mass | 130.19 g/mol |
| Appearance | Colorless transparent liquid |
| Odor | fruity |
| Density | 0.868 g/cm³ |
| Solubility in water | Insoluble |
| log P | 2.3 |
| Vapor pressure | 0.58 mmHg (20 °C) |
| Acidity (pKa) | 10.24 |
| Magnetic susceptibility (χ) | -6.41e-6 |
| Refractive index (nD) | 1.4070 |
| Viscosity | 0.75 mPa·s (20 °C) |
| Dipole moment | 1.66 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 373.1 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -422.25 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -4287.7 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02,GHS07 |
| Signal word | Warning |
| Precautionary statements | P210, P233, P240, P241, P242, P243, P261, P271, P303+P361+P353, P305+P351+P338, P403+P235, P501 |
| NFPA 704 (fire diamond) | 1-2-0-Ι |
| Flash point | 78°C |
| Autoignition temperature | 421 °C |
| Explosive limits | 1.2% - 7.5% |
| Lethal dose or concentration | LD50 oral rat 4,300 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral rat LD50: >5000 mg/kg |
| NIOSH | NA1570000 |
| PEL (Permissible) | PEL: 270 mg/m³ |
| REL (Recommended) | REL (Recommended Exposure Limit) of N-Amyl Propionate: 50 ppm (270 mg/m³) |
| IDLH (Immediate danger) | Unknown |
| Related compounds | |
| Related compounds |
Propyl propionate Methyl propionate Ethyl propionate Butyl propionate Isopropyl propionate N-Amyl acetate |
